Home / 2,027.29-2,797.64-1,143.38

Finding the Fourth Proportional to 2,027.29, 2,797.64 and 1,143.38

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Solution

The fourth proportional to 2,027.29, 2,797.64 and 1,143.38 is: 1,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.29 : 2,797.64 = 1,143.38 : x
  2. Step 2: Convert to fraction form
    2,027.29/2,797.64 = 1,143.38/x
  3. Step 3: Cross multiply
    2,027.29x = 2,797.64 × 1,143.38
  4. Step 4: Simplify right side
    2,027.29x = 3,198,762.76
  5. Step 5: Solve for x
    x = 3,198,762.76/2,027.29
  6. Step 6: Final answer
    x = 1,577.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.